Injection Molding: The primary manufacturing method for plastic housings; plastic pellets are melted at high temperatures and injected into a mold, where they solidify upon cooling. This process is highly efficient and cost-effective, making it suitable for mass production.
Stamping and Welding: Metal housings require stamping (cutting) and bending to form the shape, followed by welding or riveting for assembly; while the process is complex, it results in a robust structure.
Surface Treatment: Plastic housings may undergo spraying or electroplating to enhance wear resistance, whereas metal housings require painting, electrophoresis, or anodizing to prevent oxidation and corrosion.